package text;

import java.io.OutputStream;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.Set;

public class Demo01 {
    public static void main(String[] args) {
        //
        //Collections
        //Map
        //List
        boolean isu =false;

        String.valueOf(isu);
        Thread t=new Thread(new Runnable() {
            @Override
            public void run() {

            }
        });
        System.out.println(10%3.0);
        double d=3.0-2.6;
        System.out.println(d);
        double d1=5/10+2.5;
        System.out.println(d1);
        double d2=7/2+0.5;
        System.out.println(d2);
        double d3=5/2+2.5;
        System.out.println(d3);

        System.out.println("-------");
        double b=3.14;
        test(b);
        System.out.println(b);
    }
    public static void test(double n){
        n--;
    }
}
